Patents by Inventor Hiroyuki Kamei

Hiroyuki Kamei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Clamshell griddle
    Patent number: 5755150
    Abstract: A clamshell griddle is designed so that the rising, lowering and rotating motions of the platen and the setting of distance between the griddle and the platen main body can be effected automatically and in one stroke by the operation of a single motor, thereby resulting in simple structure and low price.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: May 26, 1998
    Assignee: Tanico Corporation
    Inventors: Yosihisa Matsumoto, Yoshiteru Takekawa, Hiroyuki Kamei, Toshiya Matsumoto, Tetsuo Sasaki
  • Frequency sensor
    Patent number: 5027107
    Abstract: A small-sized thin frequency sensor developed for prevention of theft of an article. The frequency sensor comprises a receiving antenna portion to receive high frequency waves, and a transmitting antenna portion which is shaped into a closed loop with a diode incorporated therein and is disposed linearly to the receiving antenna portion to form an oblong rectangular contour as a whole.
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: June 25, 1991
    Assignees: Hitachi, Ltd., Hitachi Tokyo Electronics Co., Ltd.
    Inventors: Yasuhiro Matsuno, Hajime Terakado, Masaru Mochizuki, Heiji Moroshima, Hiroyuki Kamei